我正在努力解決以下問題:
我有2個基于maven的java項目和1個基于gradle的Android項目 . 布局如下:
Workspace/
├── MavenProj1/
├── MavenProj2/
├── AndroidGradleProject1/
├── Protos/
所有這些的包結構很常見,比方說 com.example.* 所以,maven項目配置為:
從 Protos 項目獲取protoc文件,生成Java源代碼到 com.example.protos .
通過gradle我實現了以下目標:
從 Protos 項目獲取protoc文件,生成JavaLite代碼到 com.example.protos . But! Javalite插件生成自己的子文件夾 . 結果如下:
AndroidGradleProject1/
├── app/
└──src/main/java/com/example/
└── protos/
└── debug/
└── lite/
└── com/example/protos/
所以,最后我的build.gradle文件:
apply plugin: 'com.android.application'
apply plugin: 'com.google.protobuf'
android {
compileSdkVersion 26
defaultConfig {
applicationId "com.example"
minSdkVersion 24
targetSdkVersion 26
multiDexEnabled true
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
sourceSets {
main {
proto {
srcDir '../../../protos'
}
java {
srcDir 'src/main/java'
}
}
}
}
protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.5.0"
}
generatedFilesBaseDir = "$projectDir/src/main/java/com/example/protos"
plugins {
lite {
// The codegen for lite comes as a separate artifact
artifact = 'com.google.protobuf:protoc-gen-javalite:3.0.0'
}
}
generateProtoTasks {
all().each {
task ->
task.builtins {
remove java
}
task.plugins {
lite {}
}
}
}
}
clean {
delete protobuf.generatedFilesBaseDir
}
dependencies {
protobuf files('../../protos')
implementation 'com.google.protobuf:protobuf-lite:3.0.0'
implementation 'com.google.protobuf:protobuf-java:3.5.0'
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.android.support:support-v4:26.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}